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Gamophyceae: Zygnematales: Zygnemataceae

 Mougeotia scalaris
Hassall 1842
Mougeotia Genus: Filamentous algae without branching; a single plate-like chloroplast in each cell (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: vegetative cells 40-180 μm long, 20-34 μm diam., 4-10 pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).
Mougeotia scalaris ?, cell body 110-200 μm long, 32 μm wide, x 100, x 200, x 400, x 640, rice field, Omiya-showa (near Arakawa cycling road), Saitama city, Saitama Pref., Japan, January 9, 2005 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Mougeotia Mougeotia Mougeotia Mougeotia
Mougeotia Mougeotia Mougeotia Mougeotia Mougeotia
Mougeotia Mougeotia

* Mougeotia scalaris (Dillwyn) Agardh: vegetative cells 40-180 μm long, 20-34 μm diam., 4-10 pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).

Mougeotia lamellosa Jao: vegetative cells 60-185 μm long, 19-30 μm diam., 4-9 pyrenoids, many granules on the middle membrane of cysts (Illustrations of The Japanese Fresh-water Algae, 1977).

Mougeotia genuflexa (Dillwyn) Agardh: vegetative cells 50-225 μm long, 25-38 μm diam., many pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).

Mougeotia robusta (De Bary) Wittrock: vegetative cells 64-226 μm long, 24-32 μm diam., 10-20 pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).

Mougeotia globulispora Jao: vegetative cells 95-290 μm long, 26-32 μm diam., 6-12 pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).

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